Finding the Third Proportional to 1,074,816 and 1,624,320

Step by Step Solution

1. Step 1: Write the proportion equation
   1,074,816 : 1,624,320 = 1,624,320 : x
2. Step 2: Convert to fraction form
   1,074,816/1,624,320 = 1,624,320/x
3. Step 3: Cross multiply
   1,074,816x = 1,624,320 × 1,624,320
4. Step 4: Simplify right side
   1,074,816x = 2,638,415,462,400
5. Step 5: Solve for x
   x = 2,638,415,462,400/1,074,816
6. Step 6: Final answer
   x = 2,454,760.13